CH-TB20 Backpack Tower Core Drilling Rig (25 m)
A 30 kg tower rig that travels in a backpack and a small car. 25 m at 28 mm on 25 mm rods — the step between hand augers and a skid rig where no vehicle can reach.
Drilling depth: 25 m at 28 mm · 5 m at 75 mmHole diameter: 28 – 75 mm (1.10 – 2.95 in)Drill pipe: 25 mm
Portable Core Drilling Rigs (10 – 300 m)
Model Overview
A 30 kg tower rig that travels in a backpack and a small car. 25 m at 28 mm on 25 mm rods — the step between hand augers and a skid rig where no vehicle can reach.
Technical Specifications
| Drilling depth | 25 m at 28 mm · 5 m at 75 mm |
| Hole diameter | 28 – 75 mm (1.10 – 2.95 in) |
| Drill pipe | 25 mm |
| Power | 3.0 kW petrol, 3,600 rpm |
| Rotation speed | 1,660 rpm at max power · 1,200 rpm at max torque |
| Max torque | 25 N·m |
| Overall size | 390 × 360 × 1,200 mm |
| Weight | 30 kg complete |
| Application | Soil, saprolite and soft-rock profiling where no track exists |
Advantages
Key Features
- 30 kg complete: mast, head, engine and frame load onto a backpack frame.
- 25 m at 28 mm / 5 m at 75 mm for soil, saprolite and soft rock.
- 1,200 mm mast assembles on site; the packed rig fits a small car boot.
- 3.0 kW petrol at 3,600 rpm, 25 N·m at the spindle — clean core in soft formations.
- 1,660 / 1,200 rpm two-range head keeps bit speed matched as the hole deepens.
- Aluminium mast sections keep the carry weight down without losing stiffness.
Applications
Typical Applications
Need a different configuration?
Mast length, winch capacity, chassis and voltage can be adapted. Tell us the hole you need to drill and we will shortlist two or three configurations.
Quick answers
CH-TB20 specifications, answered
How deep can the CH-TB20 drill?
25 m at 28 mm · 5 m at 75 mm. Depth capacity falls as the rod size grows, so plan against the figure for the tooling you intend to run.
What hole and rod sizes does the CH-TB20 take?
28 – 75 mm (1.10 – 2.95 in).
What powers the CH-TB20?
3.0 kW petrol, 3,600 rpm.
How large is the CH-TB20 and what does it weigh?
Overall size 390 × 360 × 1,200 mm; weight 30 kg complete.
Quotation
Request a Quotation
Send your hole depth, core size and ground condition — we reply with a matched configuration, tooling list and lead time.
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